Como converter centímetros em polegadas?
Multiplique por 0,3937, o inverso de 2,54 (os centímetros exatos que há numa polegada). Ambas as unidades medem comprimento, então basta um fator fixo.
polegadas = centímetros × 0,3937centímetros = polegadas × 2,54
Onde estas duas unidades se usam
O centímetro é a unidade dos tamanhos de roupa, das medidas do corpo e dos formatos de papel em toda a parte onde a polegada não reina.
Equivalências comuns
| 1 cm | 0,39 in |
| 2 cm | 0,79 in |
| 5 cm | 1,97 in |
| 10 cm | 3,94 in |
| 15 cm | 5,91 in |
| 20 cm | 7,87 in |
| 30 cm | 11,81 in |
| 50 cm | 19,69 in |
| 100 cm | 39,37 in |
| 180 cm | 70,87 in |
| 200 cm | 78,74 in |
Ver todos os valores
- 1 cm = 0,3937 in
- 2 cm = 0,7874 in
- 3 cm = 1,1811 in
- 4 cm = 1,5748 in
- 5 cm = 1,9685 in
- 6 cm = 2,3622 in
- 7 cm = 2,7559 in
- 8 cm = 3,1496 in
- 9 cm = 3,5433 in
- 10 cm = 3,937 in
- 11 cm = 4,3307 in
- 12 cm = 4,7244 in
- 13 cm = 5,1181 in
- 14 cm = 5,5118 in
- 15 cm = 5,9055 in
- 16 cm = 6,2992 in
- 17 cm = 6,6929 in
- 18 cm = 7,0866 in
- 19 cm = 7,4803 in
- 20 cm = 7,874 in
- 21 cm = 8,2677 in
- 22 cm = 8,6614 in
- 23 cm = 9,0551 in
- 24 cm = 9,4488 in
- 25 cm = 9,8425 in
- 26 cm = 10,2362 in
- 27 cm = 10,6299 in
- 28 cm = 11,0236 in
- 29 cm = 11,4173 in
- 30 cm = 11,811 in
- 31 cm = 12,2047 in
- 32 cm = 12,5984 in
- 33 cm = 12,9921 in
- 34 cm = 13,3858 in
- 35 cm = 13,7795 in
- 36 cm = 14,1732 in
- 37 cm = 14,5669 in
- 38 cm = 14,9606 in
- 39 cm = 15,3543 in
- 40 cm = 15,748 in
- 41 cm = 16,1417 in
- 42 cm = 16,5354 in
- 43 cm = 16,9291 in
- 44 cm = 17,3228 in
- 45 cm = 17,7165 in
- 46 cm = 18,1102 in
- 47 cm = 18,5039 in
- 48 cm = 18,8976 in
- 49 cm = 19,2913 in
- 50 cm = 19,685 in
- 51 cm = 20,0787 in
- 52 cm = 20,4724 in
- 53 cm = 20,8661 in
- 54 cm = 21,2598 in
- 55 cm = 21,6535 in
- 56 cm = 22,0472 in
- 57 cm = 22,4409 in
- 58 cm = 22,8346 in
- 59 cm = 23,2283 in
- 60 cm = 23,622 in
- 61 cm = 24,0157 in
- 62 cm = 24,4094 in
- 63 cm = 24,8031 in
- 64 cm = 25,1969 in
- 65 cm = 25,5906 in
- 66 cm = 25,9843 in
- 67 cm = 26,378 in
- 68 cm = 26,7717 in
- 69 cm = 27,1654 in
- 70 cm = 27,5591 in
- 71 cm = 27,9528 in
- 72 cm = 28,3465 in
- 73 cm = 28,7402 in
- 74 cm = 29,1339 in
- 75 cm = 29,5276 in
- 76 cm = 29,9213 in
- 77 cm = 30,315 in
- 78 cm = 30,7087 in
- 79 cm = 31,1024 in
- 80 cm = 31,4961 in
- 81 cm = 31,8898 in
- 82 cm = 32,2835 in
- 83 cm = 32,6772 in
- 84 cm = 33,0709 in
- 85 cm = 33,4646 in
- 86 cm = 33,8583 in
- 87 cm = 34,252 in
- 88 cm = 34,6457 in
- 89 cm = 35,0394 in
- 90 cm = 35,4331 in
- 91 cm = 35,8268 in
- 92 cm = 36,2205 in
- 93 cm = 36,6142 in
- 94 cm = 37,0079 in
- 95 cm = 37,4016 in
- 96 cm = 37,7953 in
- 97 cm = 38,189 in
- 98 cm = 38,5827 in
- 99 cm = 38,9764 in
- 100 cm = 39,3701 in
- 101 cm = 39,7638 in
- 102 cm = 40,1575 in
- 103 cm = 40,5512 in
- 104 cm = 40,9449 in
- 105 cm = 41,3386 in
- 106 cm = 41,7323 in
- 107 cm = 42,126 in
- 108 cm = 42,5197 in
- 109 cm = 42,9134 in
- 110 cm = 43,3071 in
- 111 cm = 43,7008 in
- 112 cm = 44,0945 in
- 113 cm = 44,4882 in
- 114 cm = 44,8819 in
- 115 cm = 45,2756 in
- 116 cm = 45,6693 in
- 117 cm = 46,063 in
- 118 cm = 46,4567 in
- 119 cm = 46,8504 in
- 120 cm = 47,2441 in
- 121 cm = 47,6378 in
- 122 cm = 48,0315 in
- 123 cm = 48,4252 in
- 124 cm = 48,8189 in
- 125 cm = 49,2126 in
- 126 cm = 49,6063 in
- 127 cm = 50 in
- 128 cm = 50,3937 in
- 129 cm = 50,7874 in
- 130 cm = 51,1811 in
- 131 cm = 51,5748 in
- 132 cm = 51,9685 in
- 133 cm = 52,3622 in
- 134 cm = 52,7559 in
- 135 cm = 53,1496 in
- 136 cm = 53,5433 in
- 137 cm = 53,937 in
- 138 cm = 54,3307 in
- 139 cm = 54,7244 in
- 140 cm = 55,1181 in
- 141 cm = 55,5118 in
- 142 cm = 55,9055 in
- 143 cm = 56,2992 in
- 144 cm = 56,6929 in
- 145 cm = 57,0866 in
- 146 cm = 57,4803 in
- 147 cm = 57,874 in
- 148 cm = 58,2677 in
- 149 cm = 58,6614 in
- 150 cm = 59,0551 in
- 151 cm = 59,4488 in
- 152 cm = 59,8425 in
- 153 cm = 60,2362 in
- 154 cm = 60,6299 in
- 155 cm = 61,0236 in
- 156 cm = 61,4173 in
- 157 cm = 61,811 in
- 158 cm = 62,2047 in
- 159 cm = 62,5984 in
- 160 cm = 62,9921 in
- 161 cm = 63,3858 in
- 162 cm = 63,7795 in
- 163 cm = 64,1732 in
- 164 cm = 64,5669 in
- 165 cm = 64,9606 in
- 166 cm = 65,3543 in
- 167 cm = 65,748 in
- 168 cm = 66,1417 in
- 169 cm = 66,5354 in
- 170 cm = 66,9291 in
- 171 cm = 67,3228 in
- 172 cm = 67,7165 in
- 173 cm = 68,1102 in
- 174 cm = 68,5039 in
- 175 cm = 68,8976 in
- 176 cm = 69,2913 in
- 177 cm = 69,685 in
- 178 cm = 70,0787 in
- 179 cm = 70,4724 in
- 180 cm = 70,8661 in
- 181 cm = 71,2598 in
- 182 cm = 71,6535 in
- 183 cm = 72,0472 in
- 184 cm = 72,4409 in
- 185 cm = 72,8346 in
- 186 cm = 73,2283 in
- 187 cm = 73,622 in
- 188 cm = 74,0157 in
- 189 cm = 74,4094 in
- 190 cm = 74,8031 in
- 191 cm = 75,1969 in
- 192 cm = 75,5906 in
- 193 cm = 75,9843 in
- 194 cm = 76,378 in
- 195 cm = 76,7717 in
- 196 cm = 77,1654 in
- 197 cm = 77,5591 in
- 198 cm = 77,9528 in
- 199 cm = 78,3465 in
- 200 cm = 78,7402 in
- 205 cm = 80,7087 in
- 210 cm = 82,6772 in
- 215 cm = 84,6457 in
- 220 cm = 86,6142 in
- 225 cm = 88,5827 in
- 230 cm = 90,5512 in
- 235 cm = 92,5197 in
- 240 cm = 94,4882 in
- 245 cm = 96,4567 in
- 250 cm = 98,4252 in
- 255 cm = 100,3937 in
- 260 cm = 102,3622 in
- 265 cm = 104,3307 in
- 270 cm = 106,2992 in
- 275 cm = 108,2677 in
- 280 cm = 110,2362 in
- 285 cm = 112,2047 in
- 290 cm = 114,1732 in
- 295 cm = 116,1417 in
- 300 cm = 118,1102 in
- 305 cm = 120,0787 in
- 310 cm = 122,0472 in
- 315 cm = 124,0157 in
- 320 cm = 125,9843 in
- 325 cm = 127,9528 in
- 330 cm = 129,9213 in
- 335 cm = 131,8898 in
- 340 cm = 133,8583 in
- 345 cm = 135,8268 in
- 350 cm = 137,7953 in
- 355 cm = 139,7638 in
- 360 cm = 141,7323 in
- 365 cm = 143,7008 in
- 370 cm = 145,6693 in
- 375 cm = 147,6378 in
- 380 cm = 149,6063 in
- 385 cm = 151,5748 in
- 390 cm = 153,5433 in
- 395 cm = 155,5118 in
- 400 cm = 157,4803 in
- 405 cm = 159,4488 in
- 410 cm = 161,4173 in
- 415 cm = 163,3858 in
- 420 cm = 165,3543 in
- 425 cm = 167,3228 in
- 430 cm = 169,2913 in
- 435 cm = 171,2598 in
- 440 cm = 173,2283 in
- 445 cm = 175,1969 in
- 450 cm = 177,1654 in
- 455 cm = 179,1339 in
- 460 cm = 181,1024 in
- 465 cm = 183,0709 in
- 470 cm = 185,0394 in
- 475 cm = 187,0079 in
- 480 cm = 188,9764 in
- 485 cm = 190,9449 in
- 490 cm = 192,9134 in
- 495 cm = 194,8819 in
- 500 cm = 196,8504 in
- 510 cm = 200,7874 in
- 520 cm = 204,7244 in
- 530 cm = 208,6614 in
- 540 cm = 212,5984 in
- 550 cm = 216,5354 in
- 560 cm = 220,4724 in
- 570 cm = 224,4094 in
- 580 cm = 228,3465 in
- 590 cm = 232,2835 in
- 600 cm = 236,2205 in
- 610 cm = 240,1575 in
- 620 cm = 244,0945 in
- 630 cm = 248,0315 in
- 640 cm = 251,9685 in
- 650 cm = 255,9055 in
- 660 cm = 259,8425 in
- 670 cm = 263,7795 in
- 680 cm = 267,7165 in
- 690 cm = 271,6535 in
- 700 cm = 275,5906 in
- 710 cm = 279,5276 in
- 720 cm = 283,4646 in
- 730 cm = 287,4016 in
- 740 cm = 291,3386 in
- 750 cm = 295,2756 in
- 760 cm = 299,2126 in
- 770 cm = 303,1496 in
- 780 cm = 307,0866 in
- 790 cm = 311,0236 in
- 800 cm = 314,9606 in
- 810 cm = 318,8976 in
- 820 cm = 322,8346 in
- 830 cm = 326,7717 in
- 840 cm = 330,7087 in
- 850 cm = 334,6457 in
- 860 cm = 338,5827 in
- 870 cm = 342,5197 in
- 880 cm = 346,4567 in
- 890 cm = 350,3937 in
- 900 cm = 354,3307 in
- 910 cm = 358,2677 in
- 920 cm = 362,2047 in
- 930 cm = 366,1417 in
- 940 cm = 370,0787 in
- 950 cm = 374,0157 in
- 960 cm = 377,9528 in
- 970 cm = 381,8898 in
- 980 cm = 385,8268 in
- 990 cm = 389,7638 in
- 1.000 cm = 393,7008 in
- 1.025 cm = 403,5433 in
- 1.050 cm = 413,3858 in
- 1.075 cm = 423,2283 in
- 1.100 cm = 433,0709 in
- 1.125 cm = 442,9134 in
- 1.150 cm = 452,7559 in
- 1.175 cm = 462,5984 in
- 1.200 cm = 472,4409 in
- 1.225 cm = 482,2835 in
- 1.250 cm = 492,126 in
- 1.275 cm = 501,9685 in
- 1.300 cm = 511,811 in
- 1.325 cm = 521,6535 in
- 1.350 cm = 531,4961 in
- 1.375 cm = 541,3386 in
- 1.400 cm = 551,1811 in
- 1.425 cm = 561,0236 in
- 1.450 cm = 570,8661 in
- 1.475 cm = 580,7087 in
- 1.500 cm = 590,5512 in
- 1.525 cm = 600,3937 in
- 1.550 cm = 610,2362 in
- 1.575 cm = 620,0787 in
- 1.600 cm = 629,9213 in
- 1.625 cm = 639,7638 in
- 1.650 cm = 649,6063 in
- 1.675 cm = 659,4488 in
- 1.700 cm = 669,2913 in
- 1.725 cm = 679,1339 in
- 1.750 cm = 688,9764 in
- 1.775 cm = 698,8189 in
- 1.800 cm = 708,6614 in
- 1.825 cm = 718,5039 in
- 1.850 cm = 728,3465 in
- 1.875 cm = 738,189 in
- 1.900 cm = 748,0315 in
- 1.925 cm = 757,874 in
- 1.950 cm = 767,7165 in
- 1.975 cm = 777,5591 in
- 2.000 cm = 787,4016 in
- 2.050 cm = 807,0866 in
- 2.100 cm = 826,7717 in
- 2.150 cm = 846,4567 in
- 2.200 cm = 866,1417 in
- 2.250 cm = 885,8268 in
- 2.300 cm = 905,5118 in
- 2.350 cm = 925,1969 in
- 2.400 cm = 944,8819 in
- 2.450 cm = 964,5669 in
- 2.500 cm = 984,252 in
- 2.550 cm = 1.003,937 in
- 2.600 cm = 1.023,622 in
- 2.650 cm = 1.043,3071 in
- 2.700 cm = 1.062,9921 in
- 2.750 cm = 1.082,6772 in
- 2.800 cm = 1.102,3622 in
- 2.850 cm = 1.122,0472 in
- 2.900 cm = 1.141,7323 in
- 2.950 cm = 1.161,4173 in
- 3.000 cm = 1.181,1024 in
- 3.050 cm = 1.200,7874 in
- 3.100 cm = 1.220,4724 in
- 3.150 cm = 1.240,1575 in
- 3.200 cm = 1.259,8425 in
- 3.250 cm = 1.279,5276 in
- 3.300 cm = 1.299,2126 in
- 3.350 cm = 1.318,8976 in
- 3.400 cm = 1.338,5827 in
- 3.450 cm = 1.358,2677 in
- 3.500 cm = 1.377,9528 in
- 3.550 cm = 1.397,6378 in
- 3.600 cm = 1.417,3228 in
- 3.650 cm = 1.437,0079 in
- 3.700 cm = 1.456,6929 in
- 3.750 cm = 1.476,378 in
- 3.800 cm = 1.496,063 in
- 3.850 cm = 1.515,748 in
- 3.900 cm = 1.535,4331 in
- 3.950 cm = 1.555,1181 in
- 4.000 cm = 1.574,8031 in
- 4.050 cm = 1.594,4882 in
- 4.100 cm = 1.614,1732 in
- 4.150 cm = 1.633,8583 in
- 4.200 cm = 1.653,5433 in
- 4.250 cm = 1.673,2283 in
- 4.300 cm = 1.692,9134 in
- 4.350 cm = 1.712,5984 in
- 4.400 cm = 1.732,2835 in
- 4.450 cm = 1.751,9685 in
- 4.500 cm = 1.771,6535 in
- 4.550 cm = 1.791,3386 in
- 4.600 cm = 1.811,0236 in
- 4.650 cm = 1.830,7087 in
- 4.700 cm = 1.850,3937 in
- 4.750 cm = 1.870,0787 in
- 4.800 cm = 1.889,7638 in
- 4.850 cm = 1.909,4488 in
- 4.900 cm = 1.929,1339 in
- 4.950 cm = 1.948,8189 in
- 5.000 cm = 1.968,5039 in
- 5.100 cm = 2.007,874 in
- 5.200 cm = 2.047,2441 in
- 5.300 cm = 2.086,6142 in
- 5.400 cm = 2.125,9843 in
- 5.500 cm = 2.165,3543 in
- 5.600 cm = 2.204,7244 in
- 5.700 cm = 2.244,0945 in
- 5.800 cm = 2.283,4646 in
- 5.900 cm = 2.322,8346 in
- 6.000 cm = 2.362,2047 in
- 6.100 cm = 2.401,5748 in
- 6.200 cm = 2.440,9449 in
- 6.300 cm = 2.480,315 in
- 6.400 cm = 2.519,685 in
- 6.500 cm = 2.559,0551 in
- 6.600 cm = 2.598,4252 in
- 6.700 cm = 2.637,7953 in
- 6.800 cm = 2.677,1654 in
- 6.900 cm = 2.716,5354 in
- 7.000 cm = 2.755,9055 in
- 7.100 cm = 2.795,2756 in
- 7.200 cm = 2.834,6457 in
- 7.300 cm = 2.874,0157 in
- 7.400 cm = 2.913,3858 in
- 7.500 cm = 2.952,7559 in
- 7.600 cm = 2.992,126 in
- 7.700 cm = 3.031,4961 in
- 7.800 cm = 3.070,8661 in
- 7.900 cm = 3.110,2362 in
- 8.000 cm = 3.149,6063 in
- 8.100 cm = 3.188,9764 in
- 8.200 cm = 3.228,3465 in
- 8.300 cm = 3.267,7165 in
- 8.400 cm = 3.307,0866 in
- 8.500 cm = 3.346,4567 in
- 8.600 cm = 3.385,8268 in
- 8.700 cm = 3.425,1969 in
- 8.800 cm = 3.464,5669 in
- 8.900 cm = 3.503,937 in
- 9.000 cm = 3.543,3071 in
- 9.100 cm = 3.582,6772 in
- 9.200 cm = 3.622,0472 in
- 9.300 cm = 3.661,4173 in
- 9.400 cm = 3.700,7874 in
- 9.500 cm = 3.740,1575 in
- 9.600 cm = 3.779,5276 in
- 9.700 cm = 3.818,8976 in
- 9.800 cm = 3.858,2677 in
- 9.900 cm = 3.897,6378 in
- 10.000 cm = 3.937,0079 in
Fator de conversão oficial (1 in = 2,54 cm exatamente, acordo internacional de 1959). Metodologia e fontes.
Perguntas frequentes
Quantas polegadas é 1 centímetro?
1 centímetro equivale exatamente a 0,3937 polegada, o inverso do fator polegada-centímetro (2,54), fixado por acordo internacional desde 1959.
Como converter cm em polegadas sem calculadora?
Divida o valor em centímetros por 2,5. É uma aproximação suficiente para a maioria dos usos do dia a dia.
Por que as telas são medidas em polegadas?
A polegada continua sendo o padrão internacional para diagonais de tela, rodas de carro e encanamentos, mesmo em países métricos, herança dos padrões industriais anglo-saxões.
A polegada sempre valeu 2,54 cm?
Não. Até 1959 a polegada americana media 2,540005 cm e a britânica 2,539998: três milionésimos de diferença, inofensivos para um carpinteiro mas incômodos em ótica e aeronáutica. O acordo internacional sobre a jarda e a libra fixou a polegada em 2,54 cm exatos, valor em vigor desde então.
Porque é que as telas falam em polegadas e pontos por polegada?
Porque a informática herdou os usos da tipografia, que conta em polegadas há séculos. O ponto por polegada mede a finura de uma imagem e o tamanho de letra em pontos vale 1/72 de polegada. Uma tela de 96 ppp representa um centímetro com 37,8 píxeis, número que reaparece nas folhas de estilo.
Quanto é uma polegada?
Exatamente 2,54 cm, por acordo internacional desde 1959. Não é um valor arredondado mas uma definição: foi a polegada que se alinhou pelo centímetro, e não o contrário.